Machine for covering loose-wrapped boxes.



P. S. SMITH. v MACHINE r03 covnnme LOOSE WRAPPED BOXES.

' APPLIUATION FILED JULY 29, 1903. 91 2,746, Patented Feb. 16, 1909.

m '7 SHEETS-SHEET 1,

:illllllllllillllllm HIHIIIIIIIIW Snwutoz akinnup P. S. SMITH.

MACHINE PO'R'UUVERING LOOSE WRAPPED BOXES. APPLIOATION 11.21) JULY 29, 1903.

912,746, Patented Feb. 16, 1909.

7 SHEETS-SHEET 2.

Suwanfoz P/M/p Jam/m I Mung:

P. s. SMITH. MACHINE FOR COVERING LOOSE WRAPPED BOXES.

APPLICATION FILED JULY 29, 1903.

912,746. Patented Feb. 16, 1909.

7 SHEETS-SHEET 3.

0 firm/mu,

P. S. SMITH.

MACHINE FOR COVERING LOOSE WRAPPED BOXES. APPLIOATION FILED JULY 29, 1903.

912,746. Patented Feb. 16, 1909.

r. s. smun.

MACHINE FOB. covmme LOOSE WRAPPED BOXES.

APPLICATION FILED JULY 29, 1903.

Patented Feb. 16, 1909.

7 SHEETS-SHEET I.

PHILIP SJSMITH, OF PHILADELPHIA, PENNSYLVANIA.

Macrame r011 COVERING LOOSE-WRAPPED Boxes.

Specification 01' Letters Patent.

Application filed July 29, 19-33.

Patented Feb. 16, 1909.

Serial No. 167,440.

T 0 all whom it may concern:

The coverin mechanism which I em 10 Be it known that I, PHILIP S. SMITH, a for this purpose. is the same, orsubstantially citizen of the United States, residing at Philadelphia, i' -he county of Philadelphia and State of lennsylvania, have invented new and useful Improvements in Mac tines for Covering Loose -YVrapped Boxes, of which the following is a specification.

My present invention relates to certain new and useful improvements in automatic blank guniming and box covering machines and hasfor its prime object to provide mechanism for producing what is known as loose-wrap ed boxes, i. 6., boxes having a covering b lank -wrapped smoothly around the exterior walls thereof with its edges folded over the upper edg s of the box and posted to the inner walls thereof, and the blank at the two opposite exterior walls of the box being neatly folded on two inclined or invertedV shaped lines to produce a somewhat ornamental appearance. Boxes covered in this manner are termed loose wrapped boxes for the reason that the covering blank is not pasted to the exterior walls of the box, but is applied loosely around the same, the only points of attachment being on the in rior of, the box, and here the edges or margms only of the blank are attached.

There is a great demand at the present time for boxes covered in the above described manner, but as they always have, up to the present time, been covered wholly by hand, and as this hand method is slow and costly, the boxes have not been generally used, notwithstanding the great demand.

In order to cover loose wrapped boxes, the covering blank should be gummed at its four marginal edges only, and to accomplish this work I have provided a novel arrangement of gumming mechanism that is constructed to apply the gum to the blanks as described, the said blanks being arranged in a pile or pack and gummed one at a. time; I have also provided novel means for stripping the giin'imed blank from tho gumming means and for retailing it in an elevated position above-the pi or park in position to be gripped by suitable trans- V jerri'ng means; I also provide novel mechanism for transferring the gummed blank to the covering mechanism, or the machine which folds the covering blank around the box and pastes the gummed marginal edges to the inner Walls thereof.

the same, as that shown and described in my U. S. Letters Patent No. (391,329. I have only shown the various parts of this machine in a conventional way as this appears to be sullicient to enable those skilled in the art to practice the invention.

The present invention then, relates to an automatic blank gumming and box covering machine for covering what is known as loose wrapped boxes, and it has for its ob'ects to provide novel means for gumming the four marginal edges of'a covering blank; mechanism for applying the blank to a box, and mechanism for transferring the gummed blank from the gumming mechanism to the covering mecl'ranism, .all of said mechanisms being coupled up together and cooperating in timed relation one with the other whereby an automatic machine is provided.

In order to enable others to clearly understand, make and practice my said invention I will now proceed to describe the same in detail reference being had for this purpose to the accompanying drawing, in which Figure 1 is a side elevation of my improved blank gunnning and transferring means shown opcratively connected to the box covering mechanism, the latter being shown conventionally. Fig. 2 is a top plan view of the same. Fig. 3 is an end view of the gumming mechanism. Fig. 4 is an enlarged detail end View of a port of the gumming mechanism. Fig. is an enlarged planview of the same. 6 is a top plan view of a part of the blank transferring means. Figs. 7 and 8 are details of the some. Fig. 9 is a detail view illustrating the means for shilling the gumming roller laterally when it reaches one end of its stroke and Fig. 10 is a detail view showing means {or shil ting the gumming roll laterally at the other end of the stroke and Fig. 11 a detail sectional view of the pneumatic stripper block. Figs. 12 and 13 are detail views ol the pawl and ratchet mechanism for feeding the blank sin in" bed-plate. l '34. '25, 1b, 17. 15 and 530 are perspective views showing the ous stages of the gnnnuing and cow operation.

As stated the novel blank gumniing and .ransl'erring n'ieans which form the essential novel features of this invention, are employed in connection with t he type ol box covering machine shown and described in my Letters Patent 1 0. 691,329 and I will first describe brieflythe operation of such end a four-armed head 6.

7 of diil'erent sizes.

a machine referring only to the essential parts thereof, reference being had more particularly to 1, 2, and 11 to 1'7 inclusive.

A machine of this type comprises a table a, supported upon legs 5, and having four adjustable slides, which carry the various covering devices, comprising side rollers 0, end turn-in Wings (1., end rollers e, edge tuck-in fingersf, and presser blocks g. The box to be covered is placed upon a vers tically reciprocatory two-part form block h, and the gummed covering blank is carried by suitable transferring means over to and deposited upon a platen The plunger and the box with the covering blank are then carried down between the before described covering devices and the blank folded about the outer walls of the box as illustrated in Figs. 11 to 17 inclusive and the completely covered boX is then carried back to the upward limit of movement of the platen and finally ejected from the machine.

I will now describe my improved means for applying gum to the four marginal edges of the covering blank. 'lhe reference numeral 1, designates a table that is arranged adjacent and in front of the table a, of the box hovering machine, the said table 1, being supported upon legs 2. Rising upward from and centrally of the two opposite sides of the table 1, is an arched bracket 3, having a central bearing 4, in which moves a vertically reciprocatory plunger 5, carrying at its lowerv Upon each arm of the head is adjustably mounted a gum applying device consisting of yielding strip 7 secured to the lower end of a braoket S, which latter has an eye at its upper end fitted over one of the arms 6, and adjustably secured thereto by means of a set screw 9. arrangement the gum applying devices may be adjusted laterally on the four arms of the head 6, to accommodate box covering blanks The reference numeral 10, designates a rock shaft journalcd in suitable bearings 11, projecting outward from the arched bracket 3, and on this rock shaft 10, is a crank arm 12, having a link connection 13, with the vertically reciprocatory plunger 5. 'l he said rock shaf t 10, is also provided with a crank arm 1i, to which is connected a downwardly extending arm 15, the lower end of which is slotted as at 16, Extending upward through an opening in the lower end of the arm 15, and entering the said slotted portion 16, is a rod 17, having a .nut 18, threaded upon its upper end and intermediate the said nut and end of the arm 15, is a coiled spring 19, which affords a yielding connection between the said arm 15, and rod 17, for a purpose rcsently to be explained. Journaled in suite is bearings at the lower portion of the legs 2, is a shaft 20, carrying By this erases near one end adisk 21, (see Figs. 2 and 3) havin a cam groove in the inner face thereof into which plays a projection 22, on the end ofan arm 23, pivoted at 24, to the legs 2, as more clearly shown in Fig. 1. The end of the arm 17, is pivotally connected to the "said arm 23, intermediate the ends thereof and the arrangement is such that as the disk cam 21, is rotated, the free end of the arm 23, will be rocked up and down, which will, through the parts just above described, cause the vertically reciprocatory plunger 5, with its gum applying means, to move up and down in timed relation to the corresponding movement of the formblock of the covering machine and apply gum to the covering blanks, one at a time, as will hereinafter be explained.

Ar'rarged at one side of the table 1, and elevated slightly above the same, is a gum tank 25, in which is a continuously rotated gum roller 26, having a sprocket wheel 27,

roller 31 is mounted upon a horizonta 1y reciprocating carriage'32, which is caused to travel back and forth beneath the gum ap-.

plying strips 7 upon a track way formed of two bars 33, the said carriage 32, and roller 31, being moved back and forth by means of two rocker arms 34-, secured to a rook-shaft 35, the latter having a crank arm 36, playing in a cam groove 37, formed in a cam 38, secured to the main shaft 20, the said rocker arms 34, havirg two link connections 39, with the carriage 32. Alien in its normal position the gum applying roller 31, is incontact with the gum roller 26, and takes up gum therefrom. Now when the carriage with its roller 31, is moved over to the left of the position shown in Fig. 2, the said roller will brought into contact with the under surface of the four gum applyizig strips 7, and impart gum thereto, which latter strips will apply the gum to the four marginal edges of the covering blank in a manner presently to appear. 7

in order that gum may be applied to the entire face of 'h gum applying strip 7 by the roller 31, it is desirable that this roller be shifted laterally during a part of its moveme1.t in order to present a fresh surface to the strips, and to produce this lateral shiftirg of the roller to accomplish the above described end I have provided the following mears. its outer end with a gear 40, haviiig a bevelcd flargi 41, and the gum applying roller 31, is provided with a gear 42, which, when in normal position, meshes Withthe gear 40, the latter causing rotation of the said gum The gum roller 26, is provided on craves sary to adjust the same vertically relatively I the said shaft 69, having a crank-armll'i, seto the downward movement of the gum apcured to one end thereof, as shown in Figs. 1 plying device to obtain the proper amount of and 3. The crank-arm 97, has an antifrlcpressure of the gum applying strips upon the tion roller 98, at its free end which travels in a 5- paclrage of blanks to properly gum the latter cam groove in the face of a disk 99, fixed to and to accomplish this adjustment 1 provide l the shaft 20, the configuration of the cama hand wheel 77 upon the shaft 50, by which groove being suchas to cause the shaft 69 to the desired adjustment can be readily serock and thus impart a back and forth movecured. ment to the arms 95. To the upper end of The means employed for transferring the each arm 95, is pivoted a link 100, the oppogunnned blank ,lrom the gunnning inc-chanl site end of said links being slotted at 101, ism and depositing it upon the platen i, of and through each of said slots a headed bolt thebor; covering machine, is as follows. 'lwo l 102, is passed, which bolts enter the two rods 78, forming a trackway are secured at 1 front blocks 81, of the transferring carriage their opposite ends to brackets 79, and 80, and form a connection between these parts mounted upon the table and the table. 1 of so that when the arms 95, are rocked in the the covering and gumming mechanisms re manner described, the transferring device spectively, the said trackway extending will be moved back and forth between the from the gumming mechanism beneath the i gumming mechanism and covering machine. stripper-block 61, to the far side or front of Projecting inward from the slotted end of the covering machine between the l'ornieach link 100, is a pair of lugs or pins 103, 104 block it, and platen i, see Fig 1. Mounted to between which the two crank-arms 80, on slide back and forth upon the two rods 78, is the rock-shaft 88, extend, there being a pin a carriage comprising four blocks Si, each on each side of each crank-army By this grooved upon its underside there being two arrangement it willbe seen that when the blocks at either side of the machine. hiach links 100, are moving the transferring device pair of blocks is connected together between in the direction of the arrow Fig. 7, which is the rods 78, by means of cross plates 82, toward the covering machine, the pins 103, slotted at 83, throughput their length, and each pair of said blocks is further connected together by means of connecting strips 84, running parallel with the rods 78, all as more clearly shown in Figs. '3 and 6. Adjustably mounted upon the cross plates 82, are two forwardly extending arms 85, each arm havwill engage the orank-arms Slh-causing the latter to rock the shaft 88, and through the crank arms 9-1, and rods 03,bring the grip per fingers 90, into gripping action. New upon the return movement of the transfer ring device the ins 104, will engage the crank-arms 89, w rich will cause the gripper lingers 0.0, to open, and they will be held in this open position throughout the entire return movement of the transferring carriage ing an opening 80, cut therein. The said arms 85, are adjustable toward and from each other upon the plates 82, to accommodate blanks of different widths, and are held toward the gumming means so that-when in their adjusted positions by means of i they ap roach the gummed blank that is headed bolts 87, which pass through the slots being he 83, in the cross plates. A ocloshaft S8, is the edge of said blank will enter between the journaled near its opposite ends in the two gripper fingers. Immediately the links 100, 84, and are again rocked in the opposite direction to connecting strips each end of said "dly extcnding crankreturn the transferring device to the covering shaft carries a downwar arm 89, the purpose of which will soon ap- To the, extreme front end of and overlying the upper face of each forwardly extending arm 85, is a gripper lingerfilhpivoted l at 01, and to a projection 02, on each linger is pivo ed one end of a rod 03, the opposite l end of said rod being'pivoted to a crank-arm 94-, mounted upon the rockhaft SS, the said crank-arms 04, being slidahlc upon the rockshal't SS, and adapted to be secured thereto in any suitable manner as by set-screws or otherwise. it will be understood that there are two arms 35, and that each arm carries a gripper linger 00, so that the blank 'to be I transferred will be gripped at its opposite\ sides.

he means for actuating the transferring pear.

ier fingers to grip the blank, it being-tin stood that the slots 10E, in the ends of links 100, will permit of a slight lost motion of the latter before the movement of the transferring carriage itself takes place. When however, the inner end of the slots make contact with the bolts 102, the move- 1 meat of the transferring carriage will innnel diatclv take place.

I will now deseribe'the means for i the shaft 20, from which latter nah i the mechanism already described rec motion.

. lhe reference numeral 105, designates the driving shaft of the box covering machine, (see Figs. 1, 2 and 3), to which adriving pol device and gripper fingers comprises two rocker-arms 05, each connected at its lower ley 10f}, is secured. Upon the inner sun of end to brackets 96, fixed to the rock-shaft 69, the driving shaft 105, .15 fixed a bevel gear d elevated by the stripper block 61,

machine with a fresh blank, the first operation that takes place is the movement of the grip opposite end'of this horizontal shaft 109, is

107, said'gear-meshing with a bevel gear 108, fixed upon a horizontal shaft 109. To the fixed a worm 110, which meshes with a worm wheel 112, the latter being secured to the shaft 20.

It will be seen from the foregoing that the blank gumming and blank transferring mechanisms are operatively connected with the power shaft of the box covering machine and are driven directly therefrom, the various mechanisms being so geared as to operate in timed relation one with the other, thus an automatic machine is provided.

The operation of the covering mechanism may be briefly described as follows:The covering blank with which the box 113, is covered, comprises a body-portion 114, hav' ing its four corners cut out to provide two side-and two end wings 115 and 116, respectively, the said side and end wings being gummcd along their marginal edges as indicated in Figs. 14 and 15. The covering mechanism operates first through the side rollers c to fold the two side wings 115-, up against the sides of the box walls, leaving the upper gumrned edges projecting above the upper edges of the box, as shown in Fig. 16. The end turn-in wings (1, then act to turn-in the opposite ends of the blank, as shown in Fig. 17 Then the end-rollers a, fold the and wings 116, up against the two end walls of the box as shown in Fig. 18. The edge-tuck-in fingers f, are now brought in simultaneously to fold the projecting edges of the side and end wings of the blank over the upper edges of the box as shown in Fig. 19, it being understood that at this stage of the covering operation the two parts of the form block 71, are separated to permit the inward movement of the said edge tuck-in fingers. The fingers now reccde and the upper member of the form block then descends into the box carrying the gummed projecting edges of the blank down into the box as shown in Fig. 20, and the presser blocks 9', are then brought to bear against the four sides of the box thus firmly affixing the said edges to the interior walls of the box, which completes the covering operation.

The operation of the complete machine r as follows: it being assumed thnl a package of blanks has been properly placed upon the table 45, beneath the gumming device.

The power shaft 105, is now set in motion, which, through the mechanism dcscribcd first causes the guin applying roller ill, to travel beneath and in contact witblho gumming' strips 7, coating said strips with gum. On the continued rotation of the shaft 105, the four armed head 6, is caused to descend bringing the said strips into contact with the uppermost blank of the pile. The head new ascends carrying said blank with it, and on its continued ascent the blank encounters the strip )er-block 61, and at about this moment t e air suction device is operatedto create a suction through the apertures in the block 61, which acts to hold the gummed blank u against the underside of the strip- 3 per block. During this operation the transferring device is approaching the blank so that at about the time the blank is delivered to the stripper block the said transferring 'device is in position to grip the same. The blank is then gripped and carried over and deposited upon the platen i, of the covering machine, ready to be engaged by the box on its descent which has been previously placed by hand upon the form-block h. The box and blank are then carried down between the covering devices and the box completel.

covered in the manner heretofore describe Instead of placing the boxes upon the form-block by hand, I may employ the auscribed in my co-pending application Serial No. 164,787 iiled July 9, 1903, in which event the machine would be entirely automatic in all its operations.

I do not wish to be understood as limiting myself to the precise details of construction herein shown and described, but reserve to myself the right to employ such modifications of the invention as will come within the scope and meaning of the appended claims.

What 1 claim and desire to secure by Letters Patent is:

1. In a box covering machine the combination uith means for umming the four anism for folding the covering blank about the exterior walls of a box and aliixing the said gunnncd marginal edges to the interior thereof, and means for transferring the blank from the gunnning means to the covering n'ieohanism said transferring means being operatively connected to a moving part of the machine.

2. in an organized machine for covering what is known as loose wrapped boxes, the combination with means for applying gum to the four marginal edges of a covering blank, of mechanism for folding the blank about the outer walls of the box and allixing the said gunnncd lgcs to the interior thereof, and means for transferring the blank from the gummi Hlcnllr. lo the covering lllllll-ElllSlll said trnnslbrring means being (lll t'ullvi-ly connected to a moving part of l:c machine.

tornatic box feeding means shown and deinc marginal edges of a covering blank, of mechmachine for covering summing means no the covernisrn, said 'giimming and trans incsw opera-lively connected 1 now r shelf, or" the covering mechancly connccied to 2, moving part 01" the maof "she package, mechanism for -gplying' the blank to a box and g the guinnied edges to the interior and means for transferring thc l"; nlr li'cin ihc gnnnning inc 18 to nicchanisin said transferring opsraizivcly connected to a i the insciiinc. or: covering machine, the conihians for supporting pziclragc moans lor ginnining thc lonr marginal signs of the nppermosr blank of nacl'r blank shipper interposed hesaid package of blsnlrs and gnmand serving hold a blank s hccn gnnnncd, n1cchane'hla ii; to the exterior neans for transferring from the stripper to tho cl EL ho covering machine, the combiwith hlsnlr supporting means and ior innining the four marginal dgcs a stripper interposed hei e hurls; supporting means and gum serving to rc i iho blank has been giinnncd '60:; 1 7 i'or rans-. n the strippcr @ililg mechanism. 1 c vsring machine, tho combii hlanlr supporting means and mining the four marginal cdgcs a pneumatic stripper interuv, the blank supporting means ing means, box covering device for d olcnlr'iroin the said 1 nicchanisni,

him, the comh'i ticslly reciprocatory head, ioiir gum applying strips sdjustsbly monntscl upon head and adapted to apply granite 'chs four marginal edges of a. covering hl'snlr, means for applying gum to saicl strips, box; covering mechanism, and means for transferring the gnmmed blank from the gumrning means to the said covering mechanism said trcnsfcrring means being operstivcly connected' vo a; moving part of the machine.

'10. in a'box covering machine, tho combination withn vertically rcciprocntory head, of four gum applying strips carried by said head and constructed to om the four mar ginnl edges of is covering hianlr, a hlanlr scripper located in the path of movement of the said head and adapted to strip she blank from the gnrnniin; of the head and retain said h l: n elevated ps siazio'n, box covering mechanism, and means for transferring the guinnied black from the stripper to the covering mechanism.

11. In a box covering msclfnc the coinhi; nation with a vciticslly reciprocstory head, of four gum-applying strips adjnstsh ly mounted Upon said head, a stripper hlock located in the path of movement of the head, on air silo tion device carried by the said block, looscovering mechanism and means for transfcrring the blank from the stripper to the ssirl" covering mechanism. 1 I

12. In a box covering machine, the ccmhi nation with a. verticallyreciprocstory head, carrying means for summing the four marginal edges of a Hank, of a bed-plate located below the said reciprocstory head, means operated by the head for imparting s stop by step upward movement to the said rips on the. sscs lied-plate, box covering mechanism and means for transferring the summed blank from the guinrning means i, covering mechanism said transferring {F being operotivcly connected to a mo g part of the machine. I

13. In shot: covering machine, the coinbination with a vertically rcciprccstpiy hcsd carrying four adjustable gum applying strips, of means for pplying gum io'rhenndcr face of said strips, a bed plate for supporting a package of blanks located below the said gum applying strips, a stripper lzloclr located sl" ovc the bed-plate in the path of movement of the gum applying strips, said stripper llocl: being arranged to strip the gummal "cinch from the gum applying strips on the 2 sscsns of she heard and hold said hlsnlr slevsted, lrox covering mechanism, moans for transferring the gnzmned llsnk "from SiJIl J QSI to tho h ox covering mechanism, and

power device onerativciy connected with .125 c pcwcr shsft oi the covering machine for the said grsnsierring means. and veriicilly reciprocs'lcr 7 head. i. in s znschins for covering when; is

knownloos-s Wrapped boxes, the comhinction with mechanism for loosely app covering blank to the outer Walls of a hex two'part form block and a platen, of mea j for gunnning the Your marginal edges ol tl covering hlanlc, and means for translerring i A the said blank from the unniing Ina-ans io the Covering I11((.l1 anisnn 15. in a lmX covering nnnj-hine, the romhi i nation with a vertically reciprocatnry head, of four gum applying strips adjnslalzly mounted thereon, a gum applying roller for applying gum to said strips, a bed-plain lor supporting a package of blanks, located i e-- neath and in the path of inoveinerd', of said gum applying strips, means actuated by the head for imparting a step by step upward movement to the bed-plate, hex covering; mechanism embodying a platen and a vorfinallyreniproeatn'ry two-part form block and means for transferring the ginnzned blank from the g'unnning means in and deposih ing it upon the said platen of the covering mechanism.

16. In an organized machine. of the character described, the combination with box covering instrnmentalities including a for5nblock for supporting and carrying the hnx to he covered, a coiiperating platen E01 reeeiving and supporting the covering blank l0- rated in the path of innvement of the formblock, and devices for applying the hlanl; to the exterior walls of the hm: and affixing lha marginal edgesiherenl' to the interim box walls, of means for applying adhesive to the four marginal edges of a covering: hlan r, a transferringdevice forc iinvnyina the gunnnnil blank from the adhesive applying means to and depositing it upon the. Said platen, and driving connection hetn'ean the sevnwill elements for operating; thorn in timed reiaiinn one with the other.

17. In an organized machine/if ihe rharact-er descrihed, the cenihination with lm);

, covering inst-r imentaiities including: a vertieally reciproeatory form-block, a caliper-ai ing platen, devices. for applying the hlanlq in "Lha exterior walls of a hex, folding the and; nf the blank on inclined lines and affixing the marginal edges thereof in the "'n-ior walls of the box, of means in; applying i=. llie-.-:.ive to the four marginal edges 0? the ('overi in blank, a transferring device for ronve guinmed blanlcfrmn the. adhesive means and depositing; ii? upon the said of the box covering" instrnnientaliln;

power ennnecl ions between lire sew-r al ments for operating them in l'nned rr-Zai with each other.

been gnnnnen, ing aim bin: and min m ineni'ah' in, several timed relation one nalion xviih means edges of a voverina l; niacin; i severing, eoverin; box and Brig traim'errinn gunnning 1 tilll i gum nioa enzei innl e:

15). in a ho); never.

in enihod transierring gyiniming 'ing inaehin n, jln tic: ll" l'rniproi:ninr fi read.

3 carried zherehy .hly lawn H and a li-Ji'i:

n a near wheel ll in will! ll, inn;

cater of a lied-plate for supporting a package of blanks located in line with said head, and a stripper block arranged above. said bedplate and in the path of movement of the head, said stripper having means for retaining the blank elevated when stripped from the gum-a plying means.

24. in a inac iine o'l'the class described, the combination with a vertically reciprocatory head carrying gum-applying means, of a bed-plate located in the path of movement of saidhcad, a stripper block located above said bed-plate, and means carried by the block for retaining a blank thereon.

in a machine of the class described the combination with a reciprocatory head, of gum applying strips 3:2l1'lbtl thereby, a blank supporting bed-plate located in the nth of movement of said head, a stripper block arranged above said bed-plate, and an air suction device carried by the stripper block and operating to retain a gun'imedblank upon the under-face thereof.

26. In a machine of the class described, a transferring device comprising a carriage embodying in its constructiona pair of parallel crossplates, arms mounted upon said cross-plates and extending forwardly thereof, a gripper finger pivoted to the free end of each arm, and a rock-shaft having operative connections with said fin ers.

27. In amachine of the c iaracterdescribcd, a transferring device comprising a carriage embodying in its construction a pair of longitudinally slotted cross-plates, forwardly extending arms adjustably mounted upon said cross-plates and having connections therewith passing through the-said slots, a gripper finger pivoted to the free end of each arm, a rock-shaft arranged parallel with the said crossplates,operative connections between said rock-shalt and gripper fingers, and means for rocking said shalt to open the nngers when the carriage is moved in one direction and to close them when moved in th'eopposite direction.

28. In a machine of the character described, transferring device comprising a carriage embodying in its construction a pair at parallel cross-plates, arms adjustably 'i n'ounted upon .said plates and extending forwardly thereof, a gripper linger pivoted to the free end of each arm, a rock-shalt arranged parallel with the cross-plates, cranloarms laterally adjustable upon said rock-shalt, and a link connection between each erankarnr and gripper linger.

29. In a machine of he class described, a

gripper linger pivoted to the free end of each a rock shaft journa ed at its op'po- I site ends upon the carriage, crank arms slidhead carrying gum applying strips,

transferring device comprising a carriage,

ably mounted upon said shaft, link connec tions between said crank arms and said gripper fingers, means for moving the carriage, and means actuated by said carriage moving means for operating the rock-shaft.

80. In a. machine for completelv coverin the outer -walls of a box shell .ith a single blank, the combination v 1th mechanism for applying adhesive material to the marginal edges of the covering blank, of mechanism for applving the blank to the bottom and veroperating in timed relation to the movements of the adhesive applying means and the covering mechanism tor transferring the blank from the former to the latterv I 31. In an organized machine of the charactor described and in combination, box covering mechanism embodying a form block for supporting and carrying a box to be covcred, a coo 'ierating movable platen and cover applying mstrumentahties for folding the covering blank over the bottom and sides to and depositing it upon the platen of the covering mechanism and operative connections between the gumming means and a movable part of the covering mechanism; whereby the parts operate in regular sequence to first gum the blank in the n'ianner described, then transfer it over onto the platen, then cause the box-form to advance the box until its bottom contacts with the upper face of the blank and continue on through the covering instrumentalities where the blank is folded up abou the sides and ends of the box and the adhesive coated edges turned over the upper edges of and aflixed to the inner box v-Jalls.

32. in an or anized nun-lune for gumming blank about the bottom, sides and ends of the box, and a movable box form for supporting and carrying the box through the saldcovering instrumcntahties, a blank support, means for applying adhesive to the four marginal edges of the blank uhile on said support, means for transferring the blank fromsaid support to the covering mechanism", and operative cminections between a movable part of said mechanisn'i and the transferring device u hereby the parts operate in regular sequence, to first gain the marginal edges of the blank, then transfer said blank to the covering mechanisin thencause' the box-form to move the box onto the blank I1; testimony whereof l have horoumo and the ncethrou h the cover applymg 1nm hand 111 presence of two SUDSO'LlbEIlf 'strumentahtles w ere the cover 1s folded messes.

about the sides and ends of the box and the 311171411? S. {71m 5 adhesive coated margins turned over the up- Witnesses:

per edges of and afiixed to the inner box GEORGE Z. SUif'lOl-N,

walls. WALTER F. Hsmnr'. 

